WASHINGTON — Mysterious black triangle objects speeding up to 1,800 miles per hour without vapor trails were spotted over secret US military bases on at least three separate occasions over the past ...

An eerie sighting over Washington DC has sparked wild claims that aliens are hiding in America's skies. A recent image captured a giant, isolated cloud that looked like a UFO hovering above America's ...

The new files include witness statements and drawings after alleged Skinwalker sightings on a ranch in Utah.

Add Yahoo as a preferred source to see more of our stories on Google. Magnificent bryozoans, or Pectinatella magnifica, seen at the bottom of Candlewood Lake. (Candlewood Lake Authority) A video ...

The leading UFO expert Nick Pope reportedly claimed before his death that the government was deliberately keeping information ...